Information recording/reproduction method and apparatus using EP

Details Information recording/reproduction method and apparatus using EP Information recording/reproduction method and apparatus using EP

1997-11-28

2000-05-30

Young, W. R.

Dynamic information storage or retrieval

Control of storage or retrieval operation by a control...

Mechanism control by the control signal

360 45, 360 53, 369 59, G11B 7005, G11B 509

Patent

active

06069856&

ABSTRACT:
An information recording/reproducing apparatus includes first and second data demodulators having different data discriminating capabilities. The first data demodulator has a lower data discriminating capability and the second data demodulator has a higher data discriminating capability. When the reliability of reliability information for demodulation data generated by the first data demodulator, the second data demodulator is operated so that demodulation data generated by the first data demodulator is replaced by demodulation data generated by the second data demodulator during a period of time when the reliability of the reliability information is deteriorated.

REFERENCES:
patent: 5177729 (1993-01-01), Muramatsu et al.
patent: 5680380 (1997-10-01), Taguchi et al.

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